TUFLOW Message 3025

TUFLOW Message
ERROR 3025 - Roughness height must be >= 0.

Alternate Message
NA

Message Type
ERROR

Description
Materials may use either fixed mannings, depth-varying mannings, or log-law roughness formulations for bed resistance. To utilise fixed mannings or depth-varying mannings, the log-law roughness must be set to zero (default). To utilise log-law roughness, the roughness height must be greater than zero. A roughness height of less than zero is not permitted.

Suggestions
Ensure that all materials that utilise log-law roughness have positive roughness heights.

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